CBSE CLASS XI SYLLABUS FOR CHEMISTRY

CBSE CLASS XI SYLLABUS CHEMISTRY

CBSE CLASS XI SYLLABUS CHEMISTRY-The senior secondary stage in high school is a very important phase in a student’s life as it prepares you for the career and future ahead. For class XI the kind of syllabus prepared is the first step towards higher secondary examinations. This is the level where content oriented courses are being introduced to students.Chemistry subject is opted by students who plan to take up medicine,engineering,technology.For Chemistry class XI syllabus for CBSE which deals with the basic concepts and facts of Chemistry thus exposing students to the new areas emerging in Chemical science and technology. Motivate students to take up chemistry as a discipline.

Discovery of Electron, Proton and Neutron, atomic number, isotopes and isobars. Thomson’s model and its limitations. Rutherford’s model and its limitations, Bohr’s model and its limitations,concept of shells and subshells, dual nature of matter and light, de Broglie’s relationship,Heisenberg uncertainty principle, concept of orbitals, quantum numbers, shapes of s, p and d orbitals, rules for filling electrons in orbitals.

Concepts of System and types of systems, surroundings, work, heat, energy, extensive and intensive properties, state functions,first law of thermodynamics , second law of thermodynamics ,Introduction of entropy as a state function,Third law of thermodynamics.

Position of hydrogen in periodic table, occurrence, isotopes, preparation, properties and uses of hydrogen, hydrides-ionic covalent and interstitial; physical and chemical properties of water, hydrogen peroxide -preparation, reactions and structure and use; hydrogen as a fuel.

Unit X: s-Block Elements (Alkali and Alkaline Earth Metals)

General introduction, electronic configuration, occurrence, anomalous properties of the first element of each group, diagonal relationship, trends in the variation of properties ,trends in chemical reactivity with oxygen, water,
hydrogen and halogens, uses,biological importance of Sodium and Potassium,Calcium Oxide and Calcium Carbonate and their industrial uses, biological importance of Magnesium and Calcium.

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Group 14 Elements: General introduction, electronic configuration, occurrence, variation of properties, oxidation states, trends in chemical reactivity, anomalous behaviour of first elements. Carbon-catenation, allotropic forms, physical and chemical properties; uses of some important compounds: oxides. Important compounds of Silicon and a few uses: Silicon Tetrachloride, Silicones, Silicates and Zeolites, their uses.

Environmental pollution – air, water and soil pollution, chemical reactions in atmosphere, smog, major atmospheric pollutants, acid rain, ozone and its reactions, effects of depletion of ozone layer, greenhouse effect and global warming- pollution due to industrial wastes, green chemistry as an alternative tool for reducing pollution, strategies for control of environmental pollution.